Probability Approach For Ranking High-accident
Locations
Author(s)
A.S. Al-Ghamdi
Abstract
Several methods for ranking high accident locations have been considered.
Although the budget constrains is the primary factor affecting the number of
locations to be considered in future improvement programs, some techniques
based on either accident frequency and/or accident rate are typically used. This
paper presents a statistical technique employing the theoretical relationship
concept of Poisson and binomial distributions. It is known that counting
distributions, in particular Poisson and Binomial distributions, have been used in
traffic research for a long time. Based on a certain definition for a hazardous
location, the paper gives an illustration on how to rank such locations by
computing a list of probabilities. The analyst can use one of these probabilities in
order to select some locations to be candidates
Keywords
Related Book
Other papers in this volume
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